Model: 77731-1

Packing Retainer

Properties:

Cross Sectional Shape
Special
Attachment Method
Round hole
Attachment Feature Quantity
8
Attachment Hole Diameter
0.250 inches
Attachment Feature Circle Diameter
5.379 inches single circle and 5.381 inches single circle
Cross-sectional Height
1.156 inches
Flanged Body Outside Diameter
4.500 inches
Inner Groove Depth
0.225 inches
Inner Groove Width
0.225 inches
Center Hole Diameter
Between 3.675 inches and 3.685 inches
Peripheral Diameter
6.125 inches
Angle
90.0 degrees
Material
Aluminum alloy 2024
Material Specification
Qq-a-250/4 federal specification single material response
NSN
5330-01-273-4590
Part Number
77731-1
Description
Retainer,packing
CAGE
82340

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

Part 77731-1 NSN 5330-01-273-4590

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13706
FIIG:
A032A0
Concept No.:
App. Key:
AF
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
596
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 3926904500
  • SITC: 89399
  • End Use: Other industrial supplies
  • NAICS: 339991
  • USDA: 1

Freight Class: Gaskets,washers & other seals

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